[fpc-devel] interfaces vs classes in dll

[Michael Van Canneyt]

CgpPbiBGcmksIDMwIE5vdiAyMDA3LCBQYXVsIElzaGVuaW4gd3JvdGU6Cgo+IAo+IAo+IE1pY2hh
ZWwgVmFuIENhbm5leXQg0L/QuNGI0LXRgjoKPiA+IE9uIFRodSwgMjkgTm92IDIwMDcsIE1hdHRp
YXMgR2FlcnRuZXIgd3JvdGU6Cj4gPgo+ID4gICAKPiA+ID4gTGF6YXJ1cyBoYXMgdGhlIElERUlu
dGYsIHRoZSBBUEkgZm9yIElERSBwbHVnaW5zLgo+ID4gPgo+ID4gPiBXaGF0IGlzIGJldHRlciBp
biB0aGlzIGNhc2U6IGNsYXNzZXMgb3IgaW50ZXJmYWNlcz8KPiA+ID4gICAgIAo+ID4KPiA+IENs
YXNzZXM6Cj4gPiAtIE5vIHJlZmVyZW5jZSBjb3VudGluZyBtZXNzLiAtIEVhc2llciB0byBncmFz
cCBjb25jZXB0dWFsbHkuCj4gPiAgIAo+IEluIHBsdWdpbiBkbGw/CgpTdXJlLiBXaHkgbm90ID8g
Ck9idmlvdXNseSwgdGhlIERMTCBuZWVkcyB0byB1c2UgcGFja2FnZXMsIGJ1dCB0aGF0IGlzIHVu
ZGVyc3Rvb2QuCgo+ID4gLSBZb3UgY2FuIHVzZSBhbnNpc3RyaW5ncy4gSW50ZXJmYWNlcyByZXF1
aXJlIHdpZGVzdHJpbmdzLiAob2xlc3RyaW5ncyB0byBiZQo+ID4gZXhhY3QpCj4gPiAgIAo+IFdo
byB0b2xkIHlvdSB0aGlzPyBJbnRlcmZhY2UgPD4gY29tIG9iamVjdAoKQ09NIGhhcyBub3RoaW5n
IHRvIGRvIHdpdGggaXQuCgpXaGVuIHlvdSBwYXNzIGFuIGludGVyZmFjZSB0aGF0IHVzZXMgYW5z
aXN0cmluZ3MgdG8gYSBETEwsIAp0aGUgYW5zaXN0cmluZ3MgaW4gaXQgKG9yIHJlZmVyZW5jZWQg
YnkgaXQpIG1heSBiZSBkaXNwb3NlZCAKb2YgYnkgdGhlIHdyb25nIG1lbW9yeSBtYW5hZ2VyLgoK
U2luY2UgSSBhc3N1bWUgdGhlIERMTCB1c2UgaXMgdGhlIHNjZW5hcmlvIHRoYXQgaXMgd2FudGVk
LCAKaXQgZGUgZmFjdG8gbWVhbnMgdGhhdCB5b3UgbXVzdCB1c2Ugd2lkZXN0cmluZ3MuCgpUaGUg
YWx0ZXJuYXRpdmUgaXMgdGhhdCB5b3UgcmVxdWlyZSB0aGF0IHlvdSBjYW4gc2V0IHRoZSBtZW1v
cnkgbWFuYWdlcgpvZiB0aGUgcGx1Z2luLiBUaGlzLCBpbiB0dXJuLCBpcyBub3QgZmVhc2libGUs
IGJlY2F1c2Ugc29tZSBwbHVnaW5zIHdpbGwgCm5lZWQgdGhlIEMgbWVtb3J5IG9yIG90aGVyIG1l
bW9yeSBtYW5hZ2Vycy4gKHNlZSB0aGUgd2hvbGUgYm9ybGFuZApzaGFyZWRtbS5kbGwgbWVzcykK
CkluIHNob3J0OiBETEwgPT4gTm8gYW5zaXN0cmluZ3MgaW4gaW50ZXJmYWNlLgoKKGFuZCBndWVz
cyB3aHk6IHJlZmVyZW5jZSBjb3VudGluZywgc2FtZSBkaXNlYXNlIGFzIGZvciBpbnRlcmZhY2Vz
KQoKPiAKPiA+ID4gV2hhdCBpZiBzb21lZGF5IHRoZXJlIGFyZSBwYWNrYWdlcz8gCj4gPiA+ICAg
ICAKPiA+Cj4gPiBJdCdsbCB3b3JrIHRyYW5zcGFyYW50bHkuCj4gPgo+ID4gICAKPiA+ID4gV2hh
dCBpZiBzb21lZGF5IHRoZXJlIGlzIGEgY2xvc2VkIHNvdXJjZSBkbGwgcGx1Z2luPwo+ID4gPiAg
ICAgCj4gPgo+ID4gSWYgaXQgaXMgYSBwYWNrYWdlLCB0aGVyZSBpcyBubyBwcm9ibGVtLgo+ID4g
ICAKPiAKPiBBbmQgZXZlbiBhZnRlciBleHRlbmRpbmcgY2xhc3Mgb2xkIGNsYXNzIGRlcGVuZGFu
dCBwbHVnaW5zIHdpbGwgd29yaz8gSG93PwoKQmVjYXVzZSB5b3UgdXNlIHBhY2thZ2VzLiBBIERM
TCB3aWxsIG5ldmVyIHdvcmsuCgpNaWNoYWVsLgo=